2009 A Level H2 Maths Solution

| a ( p | is the area of the parallelogram formed by the vectors a and p. Area of triangle OAP = | a ( p | = ( 28 = 14 = 14 = 98 . Hint to students: It is advisable to remove common factors before finding cross product to simplify the multiplication and reduce chances of computational mistakes. 3i) Let y = bxy – ay = ax. bxy – ax = ay. x(by ... ................
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